If A = {1,2,3,4} B = {2,4,6,8} F(1) = 2, f(2) = 4, f(3) = 6 and f(4) = 8, and f: A → B then f -1 is:
CA Foundation · Quantitative Aptitude · RTP · September 2026
If A = {1,2,3,4} B = {2,4,6,8} F(1) = 2, f(2) = 4, f(3) = 6 and f(4) = 8, and f: A → B then f -1 is:
Suggested Answer and Working Notes:
Correct Answer: Option (A)
Correct Option: (a)
Topics: Part-A: Business Mathematics
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